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Contract OI history

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Nov 20, 2026 EXPIRATION

BSX $45.00 Call

BSX261120C00045000

Latest saved OI11,389Oct 23, 2026
Last change+116vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $45.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 11,3895,6940 2026-10-02: 9,064 OI2026-10-05: 9,138 OI2026-10-06: 9,181 OI2026-10-07: 9,377 OI2026-10-08: 9,377 OI2026-10-09: 10,561 OI2026-10-13: 10,827 OI2026-10-14: 10,827 OI2026-10-15: 10,955 OI2026-10-16: 10,983 OI2026-10-21: 11,273 OI2026-10-23: 11,389 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BSX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing11,389+116
Oct 21, 202611,273+290
Oct 16, 202610,983+28
Oct 15, 202610,955+128
Oct 14, 202610,8270
Oct 13, 202610,827+266
Oct 09, 202610,561+1,184
Oct 08, 20269,3770
Oct 07, 20269,377+196
Oct 06, 20269,181+43
Oct 05, 20269,138+74
Oct 02, 20269,064No prior observation